Harvey Dent (also known as Two-Face) was Gotham City's amiable and courteous district attorney and one of Batman's strongest allies until Sal "Boss" Maroni threw acid in his face, hideously scarring him. It also fractured his mental state, causing him to become Two-Face, a schizoid criminal mastermind obsessed with duality and the number two. His former good luck charm, a "two-headed" silver dollar with one side deface has been seized on as a reflection of Dent's half-scarred visage. He flips it
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